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MRS Advances © 2018 Materials Research Society DOI: 10.1557/adv.2018.28

Copper-Graphene Composite Foils via Electro-Deposition: A Mini Review

Gongsheng Song1,2, Qiang Fu2 and Chunxu Pan 1,2, *

1

Suzhou Institute of Wuhan University, Suzhou, 215123, China

2

School of Physics and Technology, Wuhan University, Wuhan, 430072, China

ABSTRACT

As an emerging carbon material with advantages of thinnest, ultrahigh strength, superior thermal conductivity and electrical conductivity, graphene (Gr) is called the “black gold” and will have a profound applying potential in the field of materials science and engineering. Many researches concerning preparation of the Cu-Gr composite via various approaches have been reported. However, only few works are related to the electrochemical deposition method. As a simple, low cost, large scale production method, electrodeposition method has been widely used in industry for manufacturing foils involving copper-clad laminate (CCL), printed circuit board (PCB) and the negative current collector of lithium ion battery, where the copper foil not only serve as the carrier of the cathode active material but also play a role in collecting and conducting electrons. In the present article, we review the research progress on preparations and mechanical properties of the Cu-Gr composite foils by electrochemical method, and introduce our recent work in this area. The advancement of the process and the perspective industrial productions are also discussed.

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INTRODUCTION

Due to its excellent electrical conductivity, thermal conductivity and elongation, metal copper (Cu) has been widely applied in fields of cable and electronic components. The rapid development in the electronics industry has proposed a high requirement on comprehensive properties of Cu and its alloys. Developing the novel Cu alloys and Cu-based composites is very essential. During the past few years, numerous Cu-matrix composites have been proposed with variant reinforcements, such as Al2O3, TiO2, graphite, carbon nanotube (CNT), graphene (Gr). Since discovered by Noble laureates Geim and Novoselov in 2004, graphene has emerged as a rapid rising star in material field [1]. Graphene consists of a single-atom-thick planar sheet structure with sp2-bonded carbon atoms arranged in a honey comb crystal lattice. In the carbon material family, graphene has been making a crucial impact in many areas of science and technology owing to its remarkable physical-chemical properties, involving large theoretical specific surface area (~2630 m2/g), strong mechanical strength and excellent thermal and electrical conductivities. These unique properties render graphene have a profound applying potential in the field of materials. Many researches have been reported concerning preparation of the Cu-Gr composit